Core Points - The Shenzhou-20 manned spacecraft is scheduled for launch on April 24 at 17:17, marking a significant milestone in China's manned spaceflight program [1] - China has successfully conducted 20 extravehicular activities (EVAs) to date, demonstrating a transition from technical validation and simple operations to complex task execution [3][5] Summary by Categories Technical Validation - The EVAs have validated key technologies such as spacesuits, airlocks, robotic arms, and ground support systems [3] - The longest single EVA duration has reached 9 hours, setting a world record [5] Assembly and Maintenance - Extravehicular assembly tasks have included the installation of external pump groups, payload exposure platforms, and cross-module cable connections, achieving the complete design functionality of the space station [3] - The first EVA maintenance was conducted to repair damage to the solar wing cables caused by space debris, restoring power generation capabilities [3] Active Protection - To ensure the long-term safety of the space station, proactive measures against space debris have been implemented, including inspections and the installation of debris protection devices [3][5] Overall Capability - China's EVA technology has matured, reaching an internationally advanced level, with the spacesuits performing well beyond their design specifications [5] - The collaboration between ground and space support systems has improved, providing effective professional support for EVA planning, process control, and emergency response [5]
20次+9小时+超“3年15次” 太空漫步挑战极限 中国航天探索不止步
Yang Shi Wang·2025-04-23 12:44